| Year | Value | | 2022 | 1,174,761,743 | | 2021 | 1,171,818,433 | | 2020 | 1,168,212,257 | | 2019 | 1,162,819,080 | | 2018 | 1,156,325,542 | | 2017 | 1,148,973,657 | | 2016 | 1,140,631,457 | | 2015 | 1,132,480,258 | | 2014 | 1,124,363,347 | | 2013 | 1,115,952,708 | | 2012 | 1,107,318,282 | | 2011 | 1,098,571,691 | | 2010 | 1,090,776,414 | | 2009 | 1,083,327,010 | | 2008 | 1,075,812,095 | | 2007 | 1,068,077,970 | | 2006 | 1,060,358,562 | | 2005 | 1,052,571,413 | | 2004 | 1,044,783,558 | | 2003 | 1,036,897,307 | | 2002 | 1,028,716,750 | | 2001 | 1,020,155,575 | | 2000 | 1,011,202,023 | | 1999 | 1,001,905,472 | | 1998 | 991,972,168 | | 1997 | 981,249,854 | | 1996 | 970,166,562 | | 1995 | 958,885,211 | | 1994 | 947,518,045 | | 1993 | 935,843,250 | | 1992 | 924,096,413 | | 1991 | 912,031,158 | | 1990 | 899,230,347 | | 1989 | 886,066,009 | | 1988 | 872,609,499 | | 1987 | 858,855,395 | | 1986 | 845,224,900 | | 1985 | 832,270,283 | | 1984 | 819,925,757 | | 1983 | 807,781,571 | | 1982 | 794,994,798 | | 1981 | 782,173,364 | | 1980 | 770,425,517 | | 1979 | 758,984,367 | | 1978 | 747,246,891 | | 1977 | 735,719,036 | | 1976 | 724,311,656 | | 1975 | 712,263,107 | | 1974 | 699,250,178 | | 1973 | 684,954,327 | | 1972 | 669,948,425 | | 1971 | 654,463,524 | | 1970 | 637,582,781 | | 1969 | 621,494,440 | | 1968 | 605,803,252 | | 1967 | 591,068,348 | | 1966 | 576,969,195 | | 1965 | 562,345,683 | | 1964 | 549,293,940 | | 1963 | 536,632,653 | | 1962 | 523,776,794 | | 1961 | 516,461,093 | | 1960 | 515,230,816 |
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